A flowering tansy ragwort plant during August.

Pest Patrol: How do I control tansy ragwort in my pasture?

#PestPatrol with Mike Cowbrough, OMAFRA

Reading Time: 2 minutes By Kate Ayers University of Guelph, Ontario Agriculture College Tansy ragwort is a noxious weed most often found in pastures and hayfields. It is a biennial or short-lived perennial that reproduces through seeds and roots. Tansy is poisonous to livestock and can cause liver damage. Symptoms that may occur after plant consumption include: weakness, high […] Read more

Palmer Amaranth (pigweed) in a soybean field.

Herbicide resistance, selection pressure, reducing options for weed control

Pay close attention to weeds that survive herbicide applications, says one U.S. farmer

Reading Time: 5 minutes Arkansas has been ground zero for herbicide-resistant weeds. For instance, the state is second only to Australia in the amount of herbicide-resistant ryegrass in wheat. “We’re actually running out of herbicides, making it difficult for us to even grow wheat in Arkansas, because of the levels of resistance that we have,” said Dr. Bob Scott. […] Read more


(MonsantoStore.corpmerchandise.com)

Monsanto to invest over $1B in dicamba

Reading Time: 2 minutes Reuters — Monsanto’s efforts to expand its agrichemical interests beyond what has long been its bread-and-butter glyphosate business were underscored on Wednesday by news the company plans to invest potentially more than US$1 billion in production of an alternative herbicide. Monsanto officials expect to spend the money over the next three to five years expanding […] Read more

Oilseed Rape Pods

Stacked tolerance traits taking on herbicide-resistant weeds

Next-generation herbicide stacks are on their way to help fight not only weed resistance, but more weed species too

Reading Time: 8 minutes A number of next-generation herbicide-tolerant crops are in the pipeline for soybean and canola growers, but the offerings won’t include any magic bullets. Instead, what we’re likely to see first are more stacked tolerance traits. It’s because life science companies have their own kind of stacking to deal with. Their new traits are lined up, […] Read more


(Monsanto.com)

Pearce: Monsanto’s next-gen weed control trait on deck

Reading Time: 2 minutes The question has been asked time and again for the past three or four years: when will we see Monsanto’s Xtend technology in Canada? The answer has been wrapped up in a long list of concerns and government procedure, but the first glint of opportunity for growers has cleared the next-to-last of a series hurdles. […] Read more

hand-picking weeds in Arkansas

Herbicide-resistant weeds are our biggest threat

There’s no reason why the West must become an Arkansas-style nightmare because of weed resistance, but we may be heading there anyway

Reading Time: 7 minutes Neil Harker calls herbicide-resistant weeds the biggest threat to sustainable crop production in Western Canada. “We’ve been the grim reaper talking about this for ages, but this is a watershed moment,” says the research scientist with Agriculture and Agri-Food Canada in Lacombe, Alta. “There are places in North America going back to the plow and […] Read more